| Foreword |
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xiii | |
| Preface to the second edition |
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xvii | |
| Preface to the first edition |
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xxi | |
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1 | (44) |
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1.1 Uncertainty and probability |
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1 | (11) |
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1.1.1 Probability is not about numbers, it is about coherent reasoning under uncertainty |
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1 | (1) |
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1.1.2 The first two laws of probability |
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2 | (1) |
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1.1.3 Relevance and independence |
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3 | (2) |
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1.1.4 The third law of probability |
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5 | (1) |
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1.1.5 Extension of the conversation |
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6 | (1) |
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6 | (1) |
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7 | (2) |
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1.1.8 Likelihood and probability |
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9 | (1) |
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1.1.9 The calculus of (probable) truths |
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10 | (2) |
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1.2 Reasoning under uncertainty |
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12 | (7) |
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1.2.1 The Hound of the Baskervilles |
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12 | (1) |
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1.2.2 Combination of background information and evidence |
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13 | (2) |
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1.2.3 The odds form of Bayes' theorem |
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15 | (1) |
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1.2.4 Combination of evidence |
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16 | (1) |
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1.2.5 Reasoning with total evidence |
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16 | (2) |
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1.2.6 Reasoning with uncertain evidence |
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18 | (1) |
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1.3 Population proportions, probabilities and induction |
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19 | (9) |
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1.3.1 The statistical syllogism |
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19 | (2) |
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1.3.2 Expectations and population proportions |
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21 | (1) |
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1.3.3 Probabilistic explanations |
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22 | (3) |
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1.3.4 Abduction and inference to the best explanation |
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25 | (1) |
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1.3.5 Induction the Bayesian way |
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26 | (2) |
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1.4 Decision making under uncertainty |
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28 | (14) |
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1.4.1 Bookmakers in the Courtrooms? |
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28 | (1) |
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29 | (4) |
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1.4.3 The rule of maximizing expected utility |
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33 | (1) |
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34 | (1) |
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35 | (3) |
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1.4.6 The expected value of information |
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38 | (4) |
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42 | (3) |
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2 The logic of Bayesian networks and influence diagrams |
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45 | (40) |
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2.1 Reasoning with graphical models |
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45 | (20) |
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2.1.1 Beyond detective stories |
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45 | (1) |
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46 | (2) |
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2.1.3 A graphical model for relevance |
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48 | (2) |
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2.1.4 Conditional independence |
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50 | (1) |
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2.1.5 Graphical models for conditional independence: d-separation |
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51 | (2) |
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2.1.6 A decision rule for conditional independence |
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53 | (1) |
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2.1.7 Networks for evidential reasoning |
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53 | (3) |
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2.1.8 The Markov property |
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56 | (2) |
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58 | (2) |
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2.1.10 Conditional independence in influence diagrams |
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60 | (1) |
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2.1.11 Relevance and causality |
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61 | (2) |
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2.1.12 The Hound of the Baskervilles revisited |
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63 | (2) |
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2.2 Reasoning with Bayesian networks and influence diagrams |
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65 | (17) |
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66 | (1) |
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2.2.2 From directed to triangulated graphs |
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67 | (2) |
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2.2.3 From triangulated graphs to junction trees |
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69 | (2) |
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2.2.4 Solving influence diagrams |
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71 | (3) |
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2.2.5 Object-oriented Bayesian networks |
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74 | (5) |
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2.2.6 Solving object-oriented Bayesian networks |
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79 | (3) |
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82 | (3) |
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82 | (1) |
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2.3.2 Bayesian networks and their predecessors in judicial contexts |
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83 | (2) |
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3 Evaluation of scientific findings in forensic science |
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85 | (28) |
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85 | (1) |
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3.2 The value of scientific findings |
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86 | (4) |
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3.3 Principles of forensic evaluation and relevant propositions |
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90 | (10) |
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3.3.1 Source level propositions |
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92 | (2) |
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3.3.2 Activity level propositions |
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94 | (3) |
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3.3.3 Crime level propositions |
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97 | (3) |
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3.4 Pre-assessment of the case |
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100 | (3) |
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3.5 Evaluation using graphical models |
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103 | (10) |
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103 | (1) |
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3.5.2 General aspects of the construction of Bayesian networks |
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103 | (2) |
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3.5.3 Eliciting structural relationships |
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105 | (1) |
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3.5.4 Level of detail of variables and quantification of influences |
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106 | (2) |
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3.5.5 Deriving an alternative network structure |
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108 | (5) |
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4 Evaluation given source level propositions |
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113 | (16) |
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4.1 General considerations |
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113 | (2) |
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4.2 Standard statistical distributions |
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115 | (2) |
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4.3 Two stains, no putative source |
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117 | (5) |
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4.3.1 Likelihood ratio for source inference when no putative source is available |
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117 | (2) |
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4.3.2 Bayesian network for a two-trace case with no putative source |
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119 | (2) |
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4.3.3 An alternative network structure for a two trace no putative source case |
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121 | (1) |
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4.4 Multiple propositions |
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122 | (7) |
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4.4.1 Form of the likelihood ratio |
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122 | (1) |
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4.4.2 Bayesian networks for evaluation given multiple propositions |
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123 | (6) |
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5 Evaluation given activity level propositions |
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129 | (30) |
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5.1 Evaluation of transfer material given activity level propositions assuming a direct source relationship |
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130 | (20) |
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130 | (1) |
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5.1.2 Derivation of a basic structure for a Bayesian network |
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131 | (3) |
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5.1.3 Modifying the basic network |
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134 | (3) |
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5.1.4 Further considerations about background presence |
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137 | (2) |
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5.1.5 Background from different sources |
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139 | (3) |
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5.1.6 An alternative description of the findings |
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142 | (3) |
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5.1.7 Bayesian network for an alternative description of findings |
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145 | (2) |
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5.1.8 Increasing the level of detail of selected propositions |
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147 | (2) |
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5.1.9 Evaluation of the proposed model |
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149 | (1) |
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5.2 Cross- or two-way transfer of trace material |
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150 | (4) |
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5.3 Evaluation of transfer material given activity level propositions with uncertainty about the true source |
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154 | (5) |
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154 | (1) |
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5.3.2 Evaluation of the network |
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154 | (3) |
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5.3.3 Effect of varying assumptions about key factors |
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157 | (2) |
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6 Evaluation given crime level propositions |
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159 | (37) |
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6.1 Material found on a crime scene: A general approach |
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159 | (9) |
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6.1.1 Generic network construction for single offender |
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159 | (2) |
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6.1.2 Evaluation of the network |
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161 | (2) |
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6.1.3 Extending the single-offender scenario |
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163 | (3) |
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166 | (2) |
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6.1.5 The role of the relevant population |
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168 | (1) |
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6.2 Findings with more than one component: The example of marks |
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168 | (14) |
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6.2.1 General considerations |
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168 | (1) |
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6.2.2 Adding further propositions |
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169 | (1) |
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6.2.3 Derivation of the likelihood ratio |
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170 | (2) |
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6.2.4 Consideration of distinct components |
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172 | (5) |
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6.2.5 An extension to firearm examinations |
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177 | (4) |
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6.2.6 A note on the likelihood ratio |
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181 | (1) |
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6.3 Scenarios with more than one trace: `Two stain-one offender' cases |
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182 | (3) |
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6.4 Material found on a person of interest |
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185 | (11) |
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185 | (2) |
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6.4.2 Extending the numerator |
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187 | (2) |
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6.4.3 Extending the denominator |
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189 | (1) |
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6.4.4 Extended form of the likelihood ratio |
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190 | (1) |
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6.4.5 Network construction and examples |
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190 | (6) |
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7 Evaluation of DNA profiling results |
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196 | (53) |
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196 | (2) |
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7.2 Network approaches to the DNA likelihood ratio |
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198 | (5) |
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7.2.1 The `match' approach |
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198 | (1) |
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7.2.2 Representation of individual alleles |
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198 | (4) |
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7.2.3 Alternative representation of a genotype |
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202 | (1) |
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203 | (3) |
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7.4 Analysis when the alternative proposition is that a brother of the suspect left the crime stain |
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206 | (8) |
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7.4.1 Revision of probabilities and networks |
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206 | (6) |
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7.4.2 Further considerations on conditional genotype probabilities |
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212 | (2) |
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7.5 Interpretation with more than two propositions |
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214 | (3) |
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7.6 Evaluation with more than two propositions |
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217 | (3) |
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7.7 Partially corresponding profiles |
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220 | (3) |
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223 | (4) |
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7.8.1 Considering multiple crime stain contributors |
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223 | (2) |
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7.8.2 Bayesian network for a three-allele mixture scenario |
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225 | (2) |
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227 | (7) |
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7.9.1 A disputed paternity |
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227 | (3) |
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7.9.2 An extended paternity scenario |
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230 | (2) |
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7.9.3 A case of questioned maternity |
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232 | (2) |
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234 | (7) |
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7.10.1 Likelihood ratio after database searching |
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234 | (3) |
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7.10.2 An analysis focussing on posterior probabilities |
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237 | (4) |
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7.11 Probabilistic approaches to laboratory error |
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241 | (5) |
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7.11.1 Implicit approach to typing error |
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241 | (2) |
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7.11.2 Explicit approach to typing error |
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243 | (3) |
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246 | (3) |
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7.12.1 A note on object-oriented Bayesian networks |
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246 | (1) |
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246 | (3) |
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8 Aspects of combining evidence |
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249 | (32) |
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249 | (1) |
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8.2 A difficulty in combining evidence: The `problem of conjunction' |
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250 | (2) |
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8.3 Generic patterns of inference in combining evidence |
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252 | (10) |
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252 | (1) |
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8.3.2 Dissonant evidence: Contradiction and conflict |
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252 | (4) |
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8.3.3 Harmonious evidence: Corroboration and convergence |
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256 | (5) |
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261 | (1) |
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8.4 Examples of the combination of distinct items of evidence |
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262 | (19) |
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8.4.1 Handwriting and fingermarks |
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262 | (4) |
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8.4.2 Issues in DNA analyses |
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266 | (1) |
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8.4.3 One offender and two corresponding traces |
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267 | (4) |
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8.4.4 Firearms and gunshot residues |
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271 | (8) |
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279 | (2) |
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9 Networks for continuous models |
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281 | (33) |
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9.1 Random variables and distribution functions |
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281 | (8) |
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9.1.1 Normal distribution |
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283 | (4) |
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9.1.2 Bivariate Normal distribution |
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287 | (1) |
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9.1.3 Conditional expectation and variance |
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288 | (1) |
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9.2 Samples and estimates |
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289 | (3) |
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289 | (2) |
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9.2.2 The Bayesian paradigm |
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291 | (1) |
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9.3 Continuous Bayesian networks |
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292 | (14) |
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9.3.1 Propagation in a continuous Bayesian network |
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295 | (5) |
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300 | (2) |
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9.3.3 Intervals for a continuous entity |
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302 | (4) |
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306 | (8) |
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9.4.1 Bayesian network for a continuous variable with a discrete parent |
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308 | (2) |
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9.4.2 Bayesian network for a continuous variable with a continuous parent and a binary parent, unmarried |
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310 | (4) |
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314 | (29) |
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314 | (1) |
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10.2 General elements of pre-assessment |
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315 | (1) |
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10.3 Pre-assessment in a fibre case: A worked through example |
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316 | (5) |
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316 | (1) |
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10.3.2 Propositions and relevant events |
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317 | (2) |
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10.3.3 Expected likelihood ratios |
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319 | (2) |
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10.3.4 Construction of a Bayesian network |
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321 | (1) |
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10.4 Pre-assessment in a cross-transfer scenario |
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321 | (7) |
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10.4.1 Bidirectional transfer |
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321 | (3) |
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10.4.2 A Bayesian network for a pre-assessment of a cross-transfer scenario |
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324 | (1) |
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10.4.3 The value of the findings |
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325 | (3) |
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10.5 Pre-assessment for consignment inspection |
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328 | (7) |
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10.5.1 Inspecting small consignments |
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328 | (2) |
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10.5.2 Bayesian network for inference about small consignments |
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330 | (3) |
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10.5.3 Pre-assessment for inspection of small consignments |
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333 | (2) |
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10.6 Pre-assessment for gunshot residue particles |
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335 | (8) |
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10.6.1 Formation and deposition of gunshot residue particles |
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335 | (1) |
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10.6.2 Bayesian network for grouped expected findings (GSR counts) |
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336 | (3) |
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10.6.3 Examples for GSR count pre-assessment using a Bayesian network |
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339 | (4) |
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11 Bayesian decision networks |
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343 | (27) |
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11.1 Decision making in forensic science |
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343 | (1) |
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11.2 Examples of forensic decision analyses |
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344 | (24) |
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11.2.1 Deciding about whether or not to perform a DNA analysis |
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344 | (8) |
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11.2.2 Probability assignment as a question of decision making |
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352 | (5) |
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11.2.3 Decision analysis for consignment inspection |
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357 | (9) |
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11.2.4 Decision after database searching |
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366 | (2) |
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368 | (2) |
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12 Object-oriented networks |
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370 | (18) |
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370 | (1) |
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12.2 General elements of object-oriented networks |
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371 | (7) |
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12.2.1 Static versus dynamic networks |
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371 | (2) |
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12.2.2 Dynamic Bayesian networks as object-oriented networks |
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373 | (1) |
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12.2.3 Refining internal class descriptions |
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374 | (4) |
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12.3 Object-oriented networks for evaluating DNA profiling results |
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378 | (10) |
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12.3.1 Basic disputed paternity case |
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378 | (1) |
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12.3.2 Useful class networks for modelling kinship analyses |
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379 | (2) |
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12.3.3 Object-oriented networks for kinship analyses |
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381 | (2) |
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12.3.4 Object-oriented networks for inference of source |
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383 | (2) |
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12.3.5 Refining internal class descriptions and further considerations |
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385 | (3) |
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13 Qualitative, sensitivity and conflict analyses |
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388 | (31) |
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13.1 Qualitative probability models |
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389 | (13) |
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13.1.1 Qualitative influence |
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389 | (3) |
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392 | (2) |
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394 | (2) |
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13.1.4 Properties of qualitative relationships |
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396 | (5) |
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13.1.5 Implications of qualitative graphical models |
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401 | (1) |
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13.2 Sensitivity analyses |
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402 | (8) |
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402 | (1) |
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13.2.2 Sensitivity to a single probability assignment |
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403 | (2) |
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13.2.3 Sensitivity to two probability assignments |
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405 | (3) |
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13.2.4 Sensitivity to prior distribution |
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408 | (2) |
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410 | (9) |
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13.3.1 Conflict detection |
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411 | (3) |
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13.3.2 Tracing a conflict |
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414 | (1) |
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13.3.3 Conflict resolution |
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415 | (4) |
| References |
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419 | (14) |
| Author index |
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433 | (5) |
| Subject index |
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438 | |